Toothbrush



FIG. 1 is a left side elevation of a toothbrush showing our new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a right side elevation thereof;

FIG. 5 is an enlarged top plan thereof; and

FIG. 6 is an enlarged bottom plan thereof.

The stippling in the various views represents both surface shading and a contrast in colors or shades. 

The ornamental design for a toothbrush, as shown and described. 